Larynx and cervical trachea in humidification and heating of inhaled gases

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dc.contributor.authorDias, N. H.
dc.contributor.authorBraz, José Reinaldo Cerqueira [UNESP]
dc.contributor.authorMartins, RHG
dc.contributor.authorCarvalho, L. R.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:36:20Z
dc.date.available2014-05-20T13:36:20Z
dc.date.issued2005-05-01
dc.description.abstractTo evaluate the participation of the larynx and cervical trachea in conditioning inspired gases, we randomly allocated 16 mixed-breed dogs to two groups: group TT (tracheal tube; n = 8) and group LMA (laryngeal mask airway; n = 8). The dogs were anesthetized with pentobarbital sodium and mechanically ventilated for 3 hours. The parameters studied were temperature and absolute humidities of ambient, inhaled, and tracheal air. There was a small increase in tracheal air temperature compared to inhaled air temperature, but no significant difference between groups. The absolute humidity of tracheal air was greater in group LMA than in group TT (23 mg H2O center dot L-1 and 14 mg H2O center dot L-1, respectively; p < .0001). The difference in absolute humidity between the tracheal air and the inhaled air was higher in group LMA at all times (p < .0001). We conclude that the larynx and cervical trachea of the dog participate in humidification and heating of inhaled air by means of air contact with mucosa in this airway segment.en
dc.description.affiliationUniv Estadual Paulista Julio Mesquita Filho, Fac Med Botucatu, Dept Oftalmol Otorrinolaringol & Cirurg Cabeca &, BR-18618970 Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista Julio Mesquita Filho, Fac Med Botucatu, Dept Oftalmol Otorrinolaringol & Cirurg Cabeca &, BR-18618970 Botucatu, SP, Brazil
dc.format.extent411-415
dc.identifierhttp://www.annals.com/toc/auto_abstract.php?id=14225
dc.identifier.citationAnnals of Otology Rhinology and Laryngology. St Louis: Annals Publ Co, v. 114, n. 5, p. 411-415, 2005.
dc.identifier.issn0003-4894
dc.identifier.lattes8683290712226765
dc.identifier.urihttp://hdl.handle.net/11449/12516
dc.identifier.wosWOS:000229167100014
dc.language.isoeng
dc.publisherAnnals Publ Co
dc.relation.ispartofAnnals of Otology Rhinology and Laryngology
dc.relation.ispartofjcr1.513
dc.relation.ispartofsjr0,807
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectcervical tracheapt
dc.subjectconditioning of airpt
dc.subjectdogpt
dc.subjectlarynxpt
dc.titleLarynx and cervical trachea in humidification and heating of inhaled gasesen
dc.typeArtigo
dcterms.licensehttp://www.annals.com/admin/copyright2012.pdf
dcterms.rightsHolderAnnals Publ Co
unesp.author.lattes8683290712226765
unesp.author.orcid0000-0003-0575-2263[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Medicina, Botucatupt

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